Liang qi gang- dong wu zhi Liang qi gang- dong wu qu xi Jing ji dong wu-- dong wu zhi Jia qiao gang- dong wu xue Xiang gang fang wu zhi/ zhong guo dong wu zhi Bi shi gang- dong wu hua shi Zhu jiang- yu lei- dong wu zhi Zhong guo dong wu zhi/ Wang xiang yang zhi